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745a5d21 CC |
1 | /* |
2 | * Acer WMI Laptop Extras | |
3 | * | |
4f0175dc | 4 | * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk> |
745a5d21 CC |
5 | * |
6 | * Based on acer_acpi: | |
7 | * Copyright (C) 2005-2007 E.M. Smith | |
8 | * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
745a5d21 CC |
25 | #include <linux/kernel.h> |
26 | #include <linux/module.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/types.h> | |
29 | #include <linux/dmi.h> | |
f2b585b4 | 30 | #include <linux/fb.h> |
745a5d21 CC |
31 | #include <linux/backlight.h> |
32 | #include <linux/leds.h> | |
33 | #include <linux/platform_device.h> | |
34 | #include <linux/acpi.h> | |
35 | #include <linux/i8042.h> | |
0606e1ab CC |
36 | #include <linux/rfkill.h> |
37 | #include <linux/workqueue.h> | |
81143522 | 38 | #include <linux/debugfs.h> |
5a0e3ad6 | 39 | #include <linux/slab.h> |
3fdca87d LCY |
40 | #include <linux/input.h> |
41 | #include <linux/input/sparse-keymap.h> | |
745a5d21 CC |
42 | |
43 | #include <acpi/acpi_drivers.h> | |
44 | ||
45 | MODULE_AUTHOR("Carlos Corbacho"); | |
46 | MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); | |
47 | MODULE_LICENSE("GPL"); | |
48 | ||
49 | #define ACER_LOGPREFIX "acer-wmi: " | |
50 | #define ACER_ERR KERN_ERR ACER_LOGPREFIX | |
51 | #define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX | |
52 | #define ACER_INFO KERN_INFO ACER_LOGPREFIX | |
3fdca87d | 53 | #define ACER_WARNING KERN_WARNING ACER_LOGPREFIX |
745a5d21 | 54 | |
745a5d21 CC |
55 | /* |
56 | * Magic Number | |
57 | * Meaning is unknown - this number is required for writing to ACPI for AMW0 | |
58 | * (it's also used in acerhk when directly accessing the BIOS) | |
59 | */ | |
60 | #define ACER_AMW0_WRITE 0x9610 | |
61 | ||
62 | /* | |
63 | * Bit masks for the AMW0 interface | |
64 | */ | |
65 | #define ACER_AMW0_WIRELESS_MASK 0x35 | |
66 | #define ACER_AMW0_BLUETOOTH_MASK 0x34 | |
67 | #define ACER_AMW0_MAILLED_MASK 0x31 | |
68 | ||
69 | /* | |
70 | * Method IDs for WMID interface | |
71 | */ | |
72 | #define ACER_WMID_GET_WIRELESS_METHODID 1 | |
73 | #define ACER_WMID_GET_BLUETOOTH_METHODID 2 | |
74 | #define ACER_WMID_GET_BRIGHTNESS_METHODID 3 | |
75 | #define ACER_WMID_SET_WIRELESS_METHODID 4 | |
76 | #define ACER_WMID_SET_BLUETOOTH_METHODID 5 | |
77 | #define ACER_WMID_SET_BRIGHTNESS_METHODID 6 | |
78 | #define ACER_WMID_GET_THREEG_METHODID 10 | |
79 | #define ACER_WMID_SET_THREEG_METHODID 11 | |
80 | ||
81 | /* | |
82 | * Acer ACPI method GUIDs | |
83 | */ | |
84 | #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" | |
5753dd53 | 85 | #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" |
745a5d21 CC |
86 | #define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" |
87 | #define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" | |
b3c9092b | 88 | #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" |
745a5d21 | 89 | |
3fdca87d LCY |
90 | /* |
91 | * Acer ACPI event GUIDs | |
92 | */ | |
93 | #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" | |
94 | ||
745a5d21 CC |
95 | MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); |
96 | MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); | |
3fdca87d LCY |
97 | MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); |
98 | ||
99 | enum acer_wmi_event_ids { | |
100 | WMID_HOTKEY_EVENT = 0x1, | |
101 | }; | |
102 | ||
103 | static const struct key_entry acer_wmi_keymap[] = { | |
104 | {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ | |
105 | {KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */ | |
106 | {KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */ | |
107 | {KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */ | |
108 | {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ | |
109 | {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ | |
110 | {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ | |
111 | {KE_KEY, 0x82, {KEY_F22} }, /* Touch Pad On/Off */ | |
112 | {KE_END, 0} | |
113 | }; | |
114 | ||
115 | static struct input_dev *acer_wmi_input_dev; | |
116 | ||
117 | struct event_return_value { | |
118 | u8 function; | |
119 | u8 key_num; | |
120 | u16 device_state; | |
121 | u32 reserved; | |
122 | } __attribute__((packed)); | |
745a5d21 | 123 | |
b3c9092b LCY |
124 | /* |
125 | * GUID3 Get Device Status device flags | |
126 | */ | |
127 | #define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */ | |
128 | ||
129 | struct wmid3_gds_input_param { /* Get Device Status input parameter */ | |
130 | u8 function_num; /* Function Number */ | |
131 | u8 hotkey_number; /* Hotkey Number */ | |
132 | u16 devices; /* Get Device */ | |
133 | } __attribute__((packed)); | |
134 | ||
135 | struct wmid3_gds_return_value { /* Get Device Status return value*/ | |
136 | u8 error_code; /* Error Code */ | |
137 | u8 ec_return_value; /* EC Return Value */ | |
138 | u16 devices; /* Current Device Status */ | |
139 | u32 reserved; | |
140 | } __attribute__((packed)); | |
141 | ||
745a5d21 CC |
142 | /* |
143 | * Interface capability flags | |
144 | */ | |
145 | #define ACER_CAP_MAILLED (1<<0) | |
146 | #define ACER_CAP_WIRELESS (1<<1) | |
147 | #define ACER_CAP_BLUETOOTH (1<<2) | |
148 | #define ACER_CAP_BRIGHTNESS (1<<3) | |
149 | #define ACER_CAP_THREEG (1<<4) | |
150 | #define ACER_CAP_ANY (0xFFFFFFFF) | |
151 | ||
152 | /* | |
153 | * Interface type flags | |
154 | */ | |
155 | enum interface_flags { | |
156 | ACER_AMW0, | |
157 | ACER_AMW0_V2, | |
158 | ACER_WMID, | |
159 | }; | |
160 | ||
161 | #define ACER_DEFAULT_WIRELESS 0 | |
162 | #define ACER_DEFAULT_BLUETOOTH 0 | |
163 | #define ACER_DEFAULT_MAILLED 0 | |
164 | #define ACER_DEFAULT_THREEG 0 | |
165 | ||
166 | static int max_brightness = 0xF; | |
167 | ||
745a5d21 CC |
168 | static int mailled = -1; |
169 | static int brightness = -1; | |
170 | static int threeg = -1; | |
171 | static int force_series; | |
172 | ||
173 | module_param(mailled, int, 0444); | |
745a5d21 CC |
174 | module_param(brightness, int, 0444); |
175 | module_param(threeg, int, 0444); | |
176 | module_param(force_series, int, 0444); | |
745a5d21 CC |
177 | MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); |
178 | MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); | |
179 | MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); | |
180 | MODULE_PARM_DESC(force_series, "Force a different laptop series"); | |
181 | ||
182 | struct acer_data { | |
183 | int mailled; | |
745a5d21 CC |
184 | int threeg; |
185 | int brightness; | |
186 | }; | |
187 | ||
81143522 CC |
188 | struct acer_debug { |
189 | struct dentry *root; | |
190 | struct dentry *devices; | |
191 | u32 wmid_devices; | |
192 | }; | |
193 | ||
0606e1ab CC |
194 | static struct rfkill *wireless_rfkill; |
195 | static struct rfkill *bluetooth_rfkill; | |
b3c9092b | 196 | static struct rfkill *threeg_rfkill; |
0606e1ab | 197 | |
745a5d21 CC |
198 | /* Each low-level interface must define at least some of the following */ |
199 | struct wmi_interface { | |
200 | /* The WMI device type */ | |
201 | u32 type; | |
202 | ||
203 | /* The capabilities this interface provides */ | |
204 | u32 capability; | |
205 | ||
206 | /* Private data for the current interface */ | |
207 | struct acer_data data; | |
81143522 CC |
208 | |
209 | /* debugfs entries associated with this interface */ | |
210 | struct acer_debug debug; | |
745a5d21 CC |
211 | }; |
212 | ||
213 | /* The static interface pointer, points to the currently detected interface */ | |
214 | static struct wmi_interface *interface; | |
215 | ||
216 | /* | |
217 | * Embedded Controller quirks | |
218 | * Some laptops require us to directly access the EC to either enable or query | |
219 | * features that are not available through WMI. | |
220 | */ | |
221 | ||
222 | struct quirk_entry { | |
223 | u8 wireless; | |
224 | u8 mailled; | |
9991d9f2 | 225 | s8 brightness; |
745a5d21 CC |
226 | u8 bluetooth; |
227 | }; | |
228 | ||
229 | static struct quirk_entry *quirks; | |
230 | ||
231 | static void set_quirks(void) | |
232 | { | |
83097aca AV |
233 | if (!interface) |
234 | return; | |
235 | ||
745a5d21 CC |
236 | if (quirks->mailled) |
237 | interface->capability |= ACER_CAP_MAILLED; | |
238 | ||
239 | if (quirks->brightness) | |
240 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
241 | } | |
242 | ||
243 | static int dmi_matched(const struct dmi_system_id *dmi) | |
244 | { | |
245 | quirks = dmi->driver_data; | |
d53bf0f3 | 246 | return 1; |
745a5d21 CC |
247 | } |
248 | ||
249 | static struct quirk_entry quirk_unknown = { | |
250 | }; | |
251 | ||
9991d9f2 CC |
252 | static struct quirk_entry quirk_acer_aspire_1520 = { |
253 | .brightness = -1, | |
254 | }; | |
255 | ||
745a5d21 CC |
256 | static struct quirk_entry quirk_acer_travelmate_2490 = { |
257 | .mailled = 1, | |
258 | }; | |
259 | ||
260 | /* This AMW0 laptop has no bluetooth */ | |
261 | static struct quirk_entry quirk_medion_md_98300 = { | |
262 | .wireless = 1, | |
263 | }; | |
264 | ||
6f061ab5 CC |
265 | static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { |
266 | .wireless = 2, | |
267 | }; | |
268 | ||
a74dd5fd CC |
269 | /* The Aspire One has a dummy ACPI-WMI interface - disable it */ |
270 | static struct dmi_system_id __devinitdata acer_blacklist[] = { | |
271 | { | |
272 | .ident = "Acer Aspire One (SSD)", | |
273 | .matches = { | |
274 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
275 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"), | |
276 | }, | |
277 | }, | |
278 | { | |
279 | .ident = "Acer Aspire One (HDD)", | |
280 | .matches = { | |
281 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
282 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
283 | }, | |
284 | }, | |
285 | {} | |
286 | }; | |
287 | ||
745a5d21 | 288 | static struct dmi_system_id acer_quirks[] = { |
9991d9f2 CC |
289 | { |
290 | .callback = dmi_matched, | |
291 | .ident = "Acer Aspire 1360", | |
292 | .matches = { | |
293 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
294 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
295 | }, | |
296 | .driver_data = &quirk_acer_aspire_1520, | |
297 | }, | |
298 | { | |
299 | .callback = dmi_matched, | |
300 | .ident = "Acer Aspire 1520", | |
301 | .matches = { | |
302 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
303 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), | |
304 | }, | |
305 | .driver_data = &quirk_acer_aspire_1520, | |
306 | }, | |
745a5d21 CC |
307 | { |
308 | .callback = dmi_matched, | |
309 | .ident = "Acer Aspire 3100", | |
310 | .matches = { | |
311 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
312 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), | |
313 | }, | |
314 | .driver_data = &quirk_acer_travelmate_2490, | |
315 | }, | |
ed9cfe98 CC |
316 | { |
317 | .callback = dmi_matched, | |
318 | .ident = "Acer Aspire 3610", | |
319 | .matches = { | |
320 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
321 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), | |
322 | }, | |
323 | .driver_data = &quirk_acer_travelmate_2490, | |
324 | }, | |
745a5d21 CC |
325 | { |
326 | .callback = dmi_matched, | |
327 | .ident = "Acer Aspire 5100", | |
328 | .matches = { | |
329 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
330 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
331 | }, | |
332 | .driver_data = &quirk_acer_travelmate_2490, | |
333 | }, | |
ed9cfe98 CC |
334 | { |
335 | .callback = dmi_matched, | |
336 | .ident = "Acer Aspire 5610", | |
337 | .matches = { | |
338 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
339 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
340 | }, | |
341 | .driver_data = &quirk_acer_travelmate_2490, | |
342 | }, | |
745a5d21 CC |
343 | { |
344 | .callback = dmi_matched, | |
345 | .ident = "Acer Aspire 5630", | |
346 | .matches = { | |
347 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
348 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
349 | }, | |
350 | .driver_data = &quirk_acer_travelmate_2490, | |
351 | }, | |
352 | { | |
353 | .callback = dmi_matched, | |
354 | .ident = "Acer Aspire 5650", | |
355 | .matches = { | |
356 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
357 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
358 | }, | |
359 | .driver_data = &quirk_acer_travelmate_2490, | |
360 | }, | |
361 | { | |
362 | .callback = dmi_matched, | |
363 | .ident = "Acer Aspire 5680", | |
364 | .matches = { | |
365 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
366 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
367 | }, | |
368 | .driver_data = &quirk_acer_travelmate_2490, | |
369 | }, | |
370 | { | |
371 | .callback = dmi_matched, | |
372 | .ident = "Acer Aspire 9110", | |
373 | .matches = { | |
374 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
375 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
376 | }, | |
377 | .driver_data = &quirk_acer_travelmate_2490, | |
378 | }, | |
379 | { | |
380 | .callback = dmi_matched, | |
381 | .ident = "Acer TravelMate 2490", | |
382 | .matches = { | |
383 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
384 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
385 | }, | |
386 | .driver_data = &quirk_acer_travelmate_2490, | |
387 | }, | |
262ee35b CC |
388 | { |
389 | .callback = dmi_matched, | |
390 | .ident = "Acer TravelMate 4200", | |
391 | .matches = { | |
392 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
393 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), | |
394 | }, | |
395 | .driver_data = &quirk_acer_travelmate_2490, | |
396 | }, | |
6f061ab5 CC |
397 | { |
398 | .callback = dmi_matched, | |
399 | .ident = "Fujitsu Siemens Amilo Li 1718", | |
400 | .matches = { | |
401 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
402 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), | |
403 | }, | |
404 | .driver_data = &quirk_fujitsu_amilo_li_1718, | |
405 | }, | |
745a5d21 CC |
406 | { |
407 | .callback = dmi_matched, | |
408 | .ident = "Medion MD 98300", | |
409 | .matches = { | |
410 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
411 | DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), | |
412 | }, | |
413 | .driver_data = &quirk_medion_md_98300, | |
414 | }, | |
415 | {} | |
416 | }; | |
417 | ||
418 | /* Find which quirks are needed for a particular vendor/ model pair */ | |
419 | static void find_quirks(void) | |
420 | { | |
421 | if (!force_series) { | |
422 | dmi_check_system(acer_quirks); | |
423 | } else if (force_series == 2490) { | |
424 | quirks = &quirk_acer_travelmate_2490; | |
425 | } | |
426 | ||
427 | if (quirks == NULL) | |
428 | quirks = &quirk_unknown; | |
429 | ||
430 | set_quirks(); | |
431 | } | |
432 | ||
433 | /* | |
434 | * General interface convenience methods | |
435 | */ | |
436 | ||
437 | static bool has_cap(u32 cap) | |
438 | { | |
439 | if ((interface->capability & cap) != 0) | |
440 | return 1; | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
445 | /* | |
446 | * AMW0 (V1) interface | |
447 | */ | |
448 | struct wmab_args { | |
449 | u32 eax; | |
450 | u32 ebx; | |
451 | u32 ecx; | |
452 | u32 edx; | |
453 | }; | |
454 | ||
455 | struct wmab_ret { | |
456 | u32 eax; | |
457 | u32 ebx; | |
458 | u32 ecx; | |
459 | u32 edx; | |
460 | u32 eex; | |
461 | }; | |
462 | ||
463 | static acpi_status wmab_execute(struct wmab_args *regbuf, | |
464 | struct acpi_buffer *result) | |
465 | { | |
466 | struct acpi_buffer input; | |
467 | acpi_status status; | |
468 | input.length = sizeof(struct wmab_args); | |
469 | input.pointer = (u8 *)regbuf; | |
470 | ||
471 | status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); | |
472 | ||
473 | return status; | |
474 | } | |
475 | ||
476 | static acpi_status AMW0_get_u32(u32 *value, u32 cap, | |
477 | struct wmi_interface *iface) | |
478 | { | |
479 | int err; | |
480 | u8 result; | |
481 | ||
482 | switch (cap) { | |
483 | case ACER_CAP_MAILLED: | |
484 | switch (quirks->mailled) { | |
485 | default: | |
486 | err = ec_read(0xA, &result); | |
487 | if (err) | |
488 | return AE_ERROR; | |
489 | *value = (result >> 7) & 0x1; | |
490 | return AE_OK; | |
491 | } | |
492 | break; | |
493 | case ACER_CAP_WIRELESS: | |
494 | switch (quirks->wireless) { | |
495 | case 1: | |
496 | err = ec_read(0x7B, &result); | |
497 | if (err) | |
498 | return AE_ERROR; | |
499 | *value = result & 0x1; | |
500 | return AE_OK; | |
6f061ab5 CC |
501 | case 2: |
502 | err = ec_read(0x71, &result); | |
503 | if (err) | |
504 | return AE_ERROR; | |
505 | *value = result & 0x1; | |
506 | return AE_OK; | |
745a5d21 CC |
507 | default: |
508 | err = ec_read(0xA, &result); | |
509 | if (err) | |
510 | return AE_ERROR; | |
511 | *value = (result >> 2) & 0x1; | |
512 | return AE_OK; | |
513 | } | |
514 | break; | |
515 | case ACER_CAP_BLUETOOTH: | |
516 | switch (quirks->bluetooth) { | |
517 | default: | |
518 | err = ec_read(0xA, &result); | |
519 | if (err) | |
520 | return AE_ERROR; | |
521 | *value = (result >> 4) & 0x1; | |
522 | return AE_OK; | |
523 | } | |
524 | break; | |
525 | case ACER_CAP_BRIGHTNESS: | |
526 | switch (quirks->brightness) { | |
527 | default: | |
528 | err = ec_read(0x83, &result); | |
529 | if (err) | |
530 | return AE_ERROR; | |
531 | *value = result; | |
532 | return AE_OK; | |
533 | } | |
534 | break; | |
535 | default: | |
08237974 | 536 | return AE_ERROR; |
745a5d21 CC |
537 | } |
538 | return AE_OK; | |
539 | } | |
540 | ||
541 | static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
542 | { | |
543 | struct wmab_args args; | |
544 | ||
545 | args.eax = ACER_AMW0_WRITE; | |
546 | args.ebx = value ? (1<<8) : 0; | |
547 | args.ecx = args.edx = 0; | |
548 | ||
549 | switch (cap) { | |
550 | case ACER_CAP_MAILLED: | |
551 | if (value > 1) | |
552 | return AE_BAD_PARAMETER; | |
553 | args.ebx |= ACER_AMW0_MAILLED_MASK; | |
554 | break; | |
555 | case ACER_CAP_WIRELESS: | |
556 | if (value > 1) | |
557 | return AE_BAD_PARAMETER; | |
558 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
559 | break; | |
560 | case ACER_CAP_BLUETOOTH: | |
561 | if (value > 1) | |
562 | return AE_BAD_PARAMETER; | |
563 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
564 | break; | |
565 | case ACER_CAP_BRIGHTNESS: | |
566 | if (value > max_brightness) | |
567 | return AE_BAD_PARAMETER; | |
568 | switch (quirks->brightness) { | |
745a5d21 | 569 | default: |
4609d029 CC |
570 | return ec_write(0x83, value); |
571 | break; | |
745a5d21 CC |
572 | } |
573 | default: | |
08237974 | 574 | return AE_ERROR; |
745a5d21 CC |
575 | } |
576 | ||
577 | /* Actually do the set */ | |
578 | return wmab_execute(&args, NULL); | |
579 | } | |
580 | ||
581 | static acpi_status AMW0_find_mailled(void) | |
582 | { | |
583 | struct wmab_args args; | |
584 | struct wmab_ret ret; | |
585 | acpi_status status = AE_OK; | |
586 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; | |
587 | union acpi_object *obj; | |
588 | ||
589 | args.eax = 0x86; | |
590 | args.ebx = args.ecx = args.edx = 0; | |
591 | ||
592 | status = wmab_execute(&args, &out); | |
593 | if (ACPI_FAILURE(status)) | |
594 | return status; | |
595 | ||
596 | obj = (union acpi_object *) out.pointer; | |
597 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
598 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
599 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
600 | } else { | |
7677fbdf | 601 | kfree(out.pointer); |
745a5d21 CC |
602 | return AE_ERROR; |
603 | } | |
604 | ||
605 | if (ret.eex & 0x1) | |
606 | interface->capability |= ACER_CAP_MAILLED; | |
607 | ||
608 | kfree(out.pointer); | |
609 | ||
610 | return AE_OK; | |
611 | } | |
612 | ||
613 | static acpi_status AMW0_set_capabilities(void) | |
614 | { | |
615 | struct wmab_args args; | |
616 | struct wmab_ret ret; | |
7677fbdf | 617 | acpi_status status; |
745a5d21 CC |
618 | struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; |
619 | union acpi_object *obj; | |
620 | ||
5753dd53 CC |
621 | /* |
622 | * On laptops with this strange GUID (non Acer), normal probing doesn't | |
623 | * work. | |
624 | */ | |
625 | if (wmi_has_guid(AMW0_GUID2)) { | |
626 | interface->capability |= ACER_CAP_WIRELESS; | |
627 | return AE_OK; | |
628 | } | |
629 | ||
745a5d21 CC |
630 | args.eax = ACER_AMW0_WRITE; |
631 | args.ecx = args.edx = 0; | |
632 | ||
633 | args.ebx = 0xa2 << 8; | |
634 | args.ebx |= ACER_AMW0_WIRELESS_MASK; | |
635 | ||
636 | status = wmab_execute(&args, &out); | |
637 | if (ACPI_FAILURE(status)) | |
638 | return status; | |
639 | ||
7677fbdf | 640 | obj = out.pointer; |
745a5d21 CC |
641 | if (obj && obj->type == ACPI_TYPE_BUFFER && |
642 | obj->buffer.length == sizeof(struct wmab_ret)) { | |
643 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
644 | } else { | |
7677fbdf AL |
645 | status = AE_ERROR; |
646 | goto out; | |
745a5d21 CC |
647 | } |
648 | ||
649 | if (ret.eax & 0x1) | |
650 | interface->capability |= ACER_CAP_WIRELESS; | |
651 | ||
652 | args.ebx = 2 << 8; | |
653 | args.ebx |= ACER_AMW0_BLUETOOTH_MASK; | |
654 | ||
7677fbdf AL |
655 | /* |
656 | * It's ok to use existing buffer for next wmab_execute call. | |
657 | * But we need to kfree(out.pointer) if next wmab_execute fail. | |
658 | */ | |
745a5d21 CC |
659 | status = wmab_execute(&args, &out); |
660 | if (ACPI_FAILURE(status)) | |
7677fbdf | 661 | goto out; |
745a5d21 CC |
662 | |
663 | obj = (union acpi_object *) out.pointer; | |
664 | if (obj && obj->type == ACPI_TYPE_BUFFER | |
665 | && obj->buffer.length == sizeof(struct wmab_ret)) { | |
666 | ret = *((struct wmab_ret *) obj->buffer.pointer); | |
667 | } else { | |
7677fbdf AL |
668 | status = AE_ERROR; |
669 | goto out; | |
745a5d21 CC |
670 | } |
671 | ||
672 | if (ret.eax & 0x1) | |
673 | interface->capability |= ACER_CAP_BLUETOOTH; | |
674 | ||
745a5d21 CC |
675 | /* |
676 | * This appears to be safe to enable, since all Wistron based laptops | |
677 | * appear to use the same EC register for brightness, even if they | |
678 | * differ for wireless, etc | |
679 | */ | |
9991d9f2 CC |
680 | if (quirks->brightness >= 0) |
681 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
745a5d21 | 682 | |
7677fbdf AL |
683 | status = AE_OK; |
684 | out: | |
685 | kfree(out.pointer); | |
686 | return status; | |
745a5d21 CC |
687 | } |
688 | ||
689 | static struct wmi_interface AMW0_interface = { | |
690 | .type = ACER_AMW0, | |
691 | }; | |
692 | ||
693 | static struct wmi_interface AMW0_V2_interface = { | |
694 | .type = ACER_AMW0_V2, | |
695 | }; | |
696 | ||
697 | /* | |
698 | * New interface (The WMID interface) | |
699 | */ | |
700 | static acpi_status | |
701 | WMI_execute_u32(u32 method_id, u32 in, u32 *out) | |
702 | { | |
703 | struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; | |
704 | struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; | |
705 | union acpi_object *obj; | |
706 | u32 tmp; | |
707 | acpi_status status; | |
708 | ||
709 | status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); | |
710 | ||
711 | if (ACPI_FAILURE(status)) | |
712 | return status; | |
713 | ||
714 | obj = (union acpi_object *) result.pointer; | |
715 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
716 | obj->buffer.length == sizeof(u32)) { | |
717 | tmp = *((u32 *) obj->buffer.pointer); | |
718 | } else { | |
719 | tmp = 0; | |
720 | } | |
721 | ||
722 | if (out) | |
723 | *out = tmp; | |
724 | ||
725 | kfree(result.pointer); | |
726 | ||
727 | return status; | |
728 | } | |
729 | ||
730 | static acpi_status WMID_get_u32(u32 *value, u32 cap, | |
731 | struct wmi_interface *iface) | |
732 | { | |
733 | acpi_status status; | |
734 | u8 tmp; | |
735 | u32 result, method_id = 0; | |
736 | ||
737 | switch (cap) { | |
738 | case ACER_CAP_WIRELESS: | |
739 | method_id = ACER_WMID_GET_WIRELESS_METHODID; | |
740 | break; | |
741 | case ACER_CAP_BLUETOOTH: | |
742 | method_id = ACER_WMID_GET_BLUETOOTH_METHODID; | |
743 | break; | |
744 | case ACER_CAP_BRIGHTNESS: | |
745 | method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; | |
746 | break; | |
747 | case ACER_CAP_THREEG: | |
748 | method_id = ACER_WMID_GET_THREEG_METHODID; | |
749 | break; | |
750 | case ACER_CAP_MAILLED: | |
751 | if (quirks->mailled == 1) { | |
752 | ec_read(0x9f, &tmp); | |
753 | *value = tmp & 0x1; | |
754 | return 0; | |
755 | } | |
756 | default: | |
08237974 | 757 | return AE_ERROR; |
745a5d21 CC |
758 | } |
759 | status = WMI_execute_u32(method_id, 0, &result); | |
760 | ||
761 | if (ACPI_SUCCESS(status)) | |
762 | *value = (u8)result; | |
763 | ||
764 | return status; | |
765 | } | |
766 | ||
767 | static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) | |
768 | { | |
769 | u32 method_id = 0; | |
770 | char param; | |
771 | ||
772 | switch (cap) { | |
773 | case ACER_CAP_BRIGHTNESS: | |
774 | if (value > max_brightness) | |
775 | return AE_BAD_PARAMETER; | |
776 | method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; | |
777 | break; | |
778 | case ACER_CAP_WIRELESS: | |
779 | if (value > 1) | |
780 | return AE_BAD_PARAMETER; | |
781 | method_id = ACER_WMID_SET_WIRELESS_METHODID; | |
782 | break; | |
783 | case ACER_CAP_BLUETOOTH: | |
784 | if (value > 1) | |
785 | return AE_BAD_PARAMETER; | |
786 | method_id = ACER_WMID_SET_BLUETOOTH_METHODID; | |
787 | break; | |
788 | case ACER_CAP_THREEG: | |
789 | if (value > 1) | |
790 | return AE_BAD_PARAMETER; | |
791 | method_id = ACER_WMID_SET_THREEG_METHODID; | |
792 | break; | |
793 | case ACER_CAP_MAILLED: | |
794 | if (value > 1) | |
795 | return AE_BAD_PARAMETER; | |
796 | if (quirks->mailled == 1) { | |
797 | param = value ? 0x92 : 0x93; | |
181d683d | 798 | i8042_lock_chip(); |
745a5d21 | 799 | i8042_command(¶m, 0x1059); |
181d683d | 800 | i8042_unlock_chip(); |
745a5d21 CC |
801 | return 0; |
802 | } | |
803 | break; | |
804 | default: | |
08237974 | 805 | return AE_ERROR; |
745a5d21 CC |
806 | } |
807 | return WMI_execute_u32(method_id, (u32)value, NULL); | |
808 | } | |
809 | ||
810 | static acpi_status WMID_set_capabilities(void) | |
811 | { | |
812 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
813 | union acpi_object *obj; | |
814 | acpi_status status; | |
815 | u32 devices; | |
816 | ||
817 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
818 | if (ACPI_FAILURE(status)) | |
819 | return status; | |
820 | ||
821 | obj = (union acpi_object *) out.pointer; | |
822 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
823 | obj->buffer.length == sizeof(u32)) { | |
824 | devices = *((u32 *) obj->buffer.pointer); | |
825 | } else { | |
66904863 | 826 | kfree(out.pointer); |
745a5d21 CC |
827 | return AE_ERROR; |
828 | } | |
829 | ||
830 | /* Not sure on the meaning of the relevant bits yet to detect these */ | |
831 | interface->capability |= ACER_CAP_WIRELESS; | |
832 | interface->capability |= ACER_CAP_THREEG; | |
833 | ||
834 | /* WMID always provides brightness methods */ | |
835 | interface->capability |= ACER_CAP_BRIGHTNESS; | |
836 | ||
837 | if (devices & 0x10) | |
838 | interface->capability |= ACER_CAP_BLUETOOTH; | |
839 | ||
840 | if (!(devices & 0x20)) | |
841 | max_brightness = 0x9; | |
842 | ||
66904863 | 843 | kfree(out.pointer); |
745a5d21 CC |
844 | return status; |
845 | } | |
846 | ||
847 | static struct wmi_interface wmid_interface = { | |
848 | .type = ACER_WMID, | |
849 | }; | |
850 | ||
851 | /* | |
852 | * Generic Device (interface-independent) | |
853 | */ | |
854 | ||
855 | static acpi_status get_u32(u32 *value, u32 cap) | |
856 | { | |
08237974 | 857 | acpi_status status = AE_ERROR; |
745a5d21 CC |
858 | |
859 | switch (interface->type) { | |
860 | case ACER_AMW0: | |
861 | status = AMW0_get_u32(value, cap, interface); | |
862 | break; | |
863 | case ACER_AMW0_V2: | |
864 | if (cap == ACER_CAP_MAILLED) { | |
865 | status = AMW0_get_u32(value, cap, interface); | |
866 | break; | |
867 | } | |
868 | case ACER_WMID: | |
869 | status = WMID_get_u32(value, cap, interface); | |
870 | break; | |
871 | } | |
872 | ||
873 | return status; | |
874 | } | |
875 | ||
876 | static acpi_status set_u32(u32 value, u32 cap) | |
877 | { | |
5c742b45 CC |
878 | acpi_status status; |
879 | ||
745a5d21 CC |
880 | if (interface->capability & cap) { |
881 | switch (interface->type) { | |
882 | case ACER_AMW0: | |
883 | return AMW0_set_u32(value, cap, interface); | |
884 | case ACER_AMW0_V2: | |
5c742b45 CC |
885 | if (cap == ACER_CAP_MAILLED) |
886 | return AMW0_set_u32(value, cap, interface); | |
887 | ||
888 | /* | |
889 | * On some models, some WMID methods don't toggle | |
890 | * properly. For those cases, we want to run the AMW0 | |
891 | * method afterwards to be certain we've really toggled | |
892 | * the device state. | |
893 | */ | |
894 | if (cap == ACER_CAP_WIRELESS || | |
895 | cap == ACER_CAP_BLUETOOTH) { | |
896 | status = WMID_set_u32(value, cap, interface); | |
897 | if (ACPI_FAILURE(status)) | |
898 | return status; | |
899 | ||
900 | return AMW0_set_u32(value, cap, interface); | |
901 | } | |
745a5d21 CC |
902 | case ACER_WMID: |
903 | return WMID_set_u32(value, cap, interface); | |
904 | default: | |
905 | return AE_BAD_PARAMETER; | |
906 | } | |
907 | } | |
908 | return AE_BAD_PARAMETER; | |
909 | } | |
910 | ||
911 | static void __init acer_commandline_init(void) | |
912 | { | |
913 | /* | |
914 | * These will all fail silently if the value given is invalid, or the | |
915 | * capability isn't available on the given interface | |
916 | */ | |
917 | set_u32(mailled, ACER_CAP_MAILLED); | |
745a5d21 CC |
918 | set_u32(threeg, ACER_CAP_THREEG); |
919 | set_u32(brightness, ACER_CAP_BRIGHTNESS); | |
920 | } | |
921 | ||
922 | /* | |
923 | * LED device (Mail LED only, no other LEDs known yet) | |
924 | */ | |
925 | static void mail_led_set(struct led_classdev *led_cdev, | |
926 | enum led_brightness value) | |
927 | { | |
928 | set_u32(value, ACER_CAP_MAILLED); | |
929 | } | |
930 | ||
931 | static struct led_classdev mail_led = { | |
343c0042 | 932 | .name = "acer-wmi::mail", |
745a5d21 CC |
933 | .brightness_set = mail_led_set, |
934 | }; | |
935 | ||
7560e385 | 936 | static int __devinit acer_led_init(struct device *dev) |
745a5d21 CC |
937 | { |
938 | return led_classdev_register(dev, &mail_led); | |
939 | } | |
940 | ||
941 | static void acer_led_exit(void) | |
942 | { | |
943 | led_classdev_unregister(&mail_led); | |
944 | } | |
945 | ||
946 | /* | |
947 | * Backlight device | |
948 | */ | |
949 | static struct backlight_device *acer_backlight_device; | |
950 | ||
951 | static int read_brightness(struct backlight_device *bd) | |
952 | { | |
953 | u32 value; | |
954 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
955 | return value; | |
956 | } | |
957 | ||
958 | static int update_bl_status(struct backlight_device *bd) | |
959 | { | |
f2b585b4 CC |
960 | int intensity = bd->props.brightness; |
961 | ||
962 | if (bd->props.power != FB_BLANK_UNBLANK) | |
963 | intensity = 0; | |
964 | if (bd->props.fb_blank != FB_BLANK_UNBLANK) | |
965 | intensity = 0; | |
966 | ||
967 | set_u32(intensity, ACER_CAP_BRIGHTNESS); | |
968 | ||
745a5d21 CC |
969 | return 0; |
970 | } | |
971 | ||
972 | static struct backlight_ops acer_bl_ops = { | |
973 | .get_brightness = read_brightness, | |
974 | .update_status = update_bl_status, | |
975 | }; | |
976 | ||
7560e385 | 977 | static int __devinit acer_backlight_init(struct device *dev) |
745a5d21 | 978 | { |
a19a6ee6 | 979 | struct backlight_properties props; |
745a5d21 CC |
980 | struct backlight_device *bd; |
981 | ||
a19a6ee6 MG |
982 | memset(&props, 0, sizeof(struct backlight_properties)); |
983 | props.max_brightness = max_brightness; | |
984 | bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, | |
985 | &props); | |
745a5d21 CC |
986 | if (IS_ERR(bd)) { |
987 | printk(ACER_ERR "Could not register Acer backlight device\n"); | |
988 | acer_backlight_device = NULL; | |
989 | return PTR_ERR(bd); | |
990 | } | |
991 | ||
992 | acer_backlight_device = bd; | |
993 | ||
f2b585b4 | 994 | bd->props.power = FB_BLANK_UNBLANK; |
6f6ef82c | 995 | bd->props.brightness = read_brightness(bd); |
745a5d21 CC |
996 | backlight_update_status(bd); |
997 | return 0; | |
998 | } | |
999 | ||
7560e385 | 1000 | static void acer_backlight_exit(void) |
745a5d21 CC |
1001 | { |
1002 | backlight_device_unregister(acer_backlight_device); | |
1003 | } | |
1004 | ||
b3c9092b LCY |
1005 | static acpi_status wmid3_get_device_status(u32 *value, u16 device) |
1006 | { | |
1007 | struct wmid3_gds_return_value return_value; | |
1008 | acpi_status status; | |
1009 | union acpi_object *obj; | |
1010 | struct wmid3_gds_input_param params = { | |
1011 | .function_num = 0x1, | |
1012 | .hotkey_number = 0x01, | |
1013 | .devices = device, | |
1014 | }; | |
1015 | struct acpi_buffer input = { | |
1016 | sizeof(struct wmid3_gds_input_param), | |
1017 | ¶ms | |
1018 | }; | |
1019 | struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1020 | ||
1021 | status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output); | |
1022 | if (ACPI_FAILURE(status)) | |
1023 | return status; | |
1024 | ||
1025 | obj = output.pointer; | |
1026 | ||
1027 | if (!obj) | |
1028 | return AE_ERROR; | |
1029 | else if (obj->type != ACPI_TYPE_BUFFER) { | |
1030 | kfree(obj); | |
1031 | return AE_ERROR; | |
1032 | } | |
1033 | if (obj->buffer.length != 8) { | |
1034 | printk(ACER_WARNING "Unknown buffer length %d\n", | |
1035 | obj->buffer.length); | |
1036 | kfree(obj); | |
1037 | return AE_ERROR; | |
1038 | } | |
1039 | ||
1040 | return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer); | |
1041 | kfree(obj); | |
1042 | ||
1043 | if (return_value.error_code || return_value.ec_return_value) | |
1044 | printk(ACER_WARNING "Get Device Status failed: " | |
1045 | "0x%x - 0x%x\n", return_value.error_code, | |
1046 | return_value.ec_return_value); | |
1047 | else | |
1048 | *value = !!(return_value.devices & device); | |
1049 | ||
1050 | return status; | |
1051 | } | |
1052 | ||
0606e1ab CC |
1053 | /* |
1054 | * Rfkill devices | |
1055 | */ | |
0606e1ab CC |
1056 | static void acer_rfkill_update(struct work_struct *ignored); |
1057 | static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); | |
1058 | static void acer_rfkill_update(struct work_struct *ignored) | |
1059 | { | |
1060 | u32 state; | |
1061 | acpi_status status; | |
1062 | ||
1063 | status = get_u32(&state, ACER_CAP_WIRELESS); | |
1064 | if (ACPI_SUCCESS(status)) | |
a878417c | 1065 | rfkill_set_sw_state(wireless_rfkill, !state); |
0606e1ab CC |
1066 | |
1067 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1068 | status = get_u32(&state, ACER_CAP_BLUETOOTH); | |
1069 | if (ACPI_SUCCESS(status)) | |
a878417c | 1070 | rfkill_set_sw_state(bluetooth_rfkill, !state); |
0606e1ab CC |
1071 | } |
1072 | ||
b3c9092b LCY |
1073 | if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) { |
1074 | status = wmid3_get_device_status(&state, | |
1075 | ACER_WMID3_GDS_THREEG); | |
1076 | if (ACPI_SUCCESS(status)) | |
1077 | rfkill_set_sw_state(threeg_rfkill, !state); | |
1078 | } | |
1079 | ||
ae3a1b46 | 1080 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1081 | } |
1082 | ||
19d337df | 1083 | static int acer_rfkill_set(void *data, bool blocked) |
0606e1ab CC |
1084 | { |
1085 | acpi_status status; | |
19d337df | 1086 | u32 cap = (unsigned long)data; |
ed5c8ef3 | 1087 | status = set_u32(!blocked, cap); |
0606e1ab CC |
1088 | if (ACPI_FAILURE(status)) |
1089 | return -ENODEV; | |
1090 | return 0; | |
1091 | } | |
1092 | ||
19d337df JB |
1093 | static const struct rfkill_ops acer_rfkill_ops = { |
1094 | .set_block = acer_rfkill_set, | |
1095 | }; | |
1096 | ||
1097 | static struct rfkill *acer_rfkill_register(struct device *dev, | |
1098 | enum rfkill_type type, | |
1099 | char *name, u32 cap) | |
0606e1ab CC |
1100 | { |
1101 | int err; | |
0606e1ab CC |
1102 | struct rfkill *rfkill_dev; |
1103 | ||
19d337df JB |
1104 | rfkill_dev = rfkill_alloc(name, dev, type, |
1105 | &acer_rfkill_ops, | |
1106 | (void *)(unsigned long)cap); | |
0606e1ab CC |
1107 | if (!rfkill_dev) |
1108 | return ERR_PTR(-ENOMEM); | |
0606e1ab CC |
1109 | |
1110 | err = rfkill_register(rfkill_dev); | |
1111 | if (err) { | |
19d337df | 1112 | rfkill_destroy(rfkill_dev); |
0606e1ab CC |
1113 | return ERR_PTR(err); |
1114 | } | |
1115 | return rfkill_dev; | |
1116 | } | |
1117 | ||
1118 | static int acer_rfkill_init(struct device *dev) | |
1119 | { | |
1120 | wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, | |
1121 | "acer-wireless", ACER_CAP_WIRELESS); | |
1122 | if (IS_ERR(wireless_rfkill)) | |
1123 | return PTR_ERR(wireless_rfkill); | |
1124 | ||
1125 | if (has_cap(ACER_CAP_BLUETOOTH)) { | |
1126 | bluetooth_rfkill = acer_rfkill_register(dev, | |
1127 | RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", | |
1128 | ACER_CAP_BLUETOOTH); | |
1129 | if (IS_ERR(bluetooth_rfkill)) { | |
0606e1ab | 1130 | rfkill_unregister(wireless_rfkill); |
19d337df | 1131 | rfkill_destroy(wireless_rfkill); |
0606e1ab CC |
1132 | return PTR_ERR(bluetooth_rfkill); |
1133 | } | |
1134 | } | |
1135 | ||
b3c9092b LCY |
1136 | if (has_cap(ACER_CAP_THREEG)) { |
1137 | threeg_rfkill = acer_rfkill_register(dev, | |
1138 | RFKILL_TYPE_WWAN, "acer-threeg", | |
1139 | ACER_CAP_THREEG); | |
1140 | if (IS_ERR(threeg_rfkill)) { | |
1141 | rfkill_unregister(wireless_rfkill); | |
1142 | rfkill_destroy(wireless_rfkill); | |
1143 | rfkill_unregister(bluetooth_rfkill); | |
1144 | rfkill_destroy(bluetooth_rfkill); | |
1145 | return PTR_ERR(threeg_rfkill); | |
1146 | } | |
1147 | } | |
1148 | ||
ae3a1b46 | 1149 | schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); |
0606e1ab CC |
1150 | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | static void acer_rfkill_exit(void) | |
1155 | { | |
1156 | cancel_delayed_work_sync(&acer_rfkill_work); | |
19d337df | 1157 | |
0606e1ab | 1158 | rfkill_unregister(wireless_rfkill); |
19d337df JB |
1159 | rfkill_destroy(wireless_rfkill); |
1160 | ||
0606e1ab | 1161 | if (has_cap(ACER_CAP_BLUETOOTH)) { |
0606e1ab | 1162 | rfkill_unregister(bluetooth_rfkill); |
19d337df | 1163 | rfkill_destroy(bluetooth_rfkill); |
0606e1ab | 1164 | } |
b3c9092b LCY |
1165 | |
1166 | if (has_cap(ACER_CAP_THREEG)) { | |
1167 | rfkill_unregister(threeg_rfkill); | |
1168 | rfkill_destroy(threeg_rfkill); | |
1169 | } | |
0606e1ab CC |
1170 | return; |
1171 | } | |
1172 | ||
745a5d21 | 1173 | /* |
7d9a06de | 1174 | * sysfs interface |
745a5d21 | 1175 | */ |
7d9a06de CC |
1176 | static ssize_t show_bool_threeg(struct device *dev, |
1177 | struct device_attribute *attr, char *buf) | |
1178 | { | |
745a5d21 | 1179 | u32 result; \ |
b3c9092b LCY |
1180 | acpi_status status; |
1181 | if (wmi_has_guid(WMID_GUID3)) | |
1182 | status = wmid3_get_device_status(&result, | |
1183 | ACER_WMID3_GDS_THREEG); | |
1184 | else | |
1185 | status = get_u32(&result, ACER_CAP_THREEG); | |
7d9a06de CC |
1186 | if (ACPI_SUCCESS(status)) |
1187 | return sprintf(buf, "%u\n", result); | |
1188 | return sprintf(buf, "Read error\n"); | |
1189 | } | |
1190 | ||
1191 | static ssize_t set_bool_threeg(struct device *dev, | |
1192 | struct device_attribute *attr, const char *buf, size_t count) | |
1193 | { | |
1194 | u32 tmp = simple_strtoul(buf, NULL, 10); | |
1195 | acpi_status status = set_u32(tmp, ACER_CAP_THREEG); | |
1196 | if (ACPI_FAILURE(status)) | |
1197 | return -EINVAL; | |
1198 | return count; | |
1199 | } | |
1200 | static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg, | |
1201 | set_bool_threeg); | |
745a5d21 | 1202 | |
745a5d21 CC |
1203 | static ssize_t show_interface(struct device *dev, struct device_attribute *attr, |
1204 | char *buf) | |
1205 | { | |
1206 | switch (interface->type) { | |
1207 | case ACER_AMW0: | |
1208 | return sprintf(buf, "AMW0\n"); | |
1209 | case ACER_AMW0_V2: | |
1210 | return sprintf(buf, "AMW0 v2\n"); | |
1211 | case ACER_WMID: | |
1212 | return sprintf(buf, "WMID\n"); | |
1213 | default: | |
1214 | return sprintf(buf, "Error!\n"); | |
1215 | } | |
1216 | } | |
1217 | ||
370525df | 1218 | static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL); |
745a5d21 | 1219 | |
3fdca87d LCY |
1220 | static void acer_wmi_notify(u32 value, void *context) |
1221 | { | |
1222 | struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; | |
1223 | union acpi_object *obj; | |
1224 | struct event_return_value return_value; | |
1225 | acpi_status status; | |
1226 | ||
1227 | status = wmi_get_event_data(value, &response); | |
1228 | if (status != AE_OK) { | |
1229 | printk(ACER_WARNING "bad event status 0x%x\n", status); | |
1230 | return; | |
1231 | } | |
1232 | ||
1233 | obj = (union acpi_object *)response.pointer; | |
1234 | ||
1235 | if (!obj) | |
1236 | return; | |
1237 | if (obj->type != ACPI_TYPE_BUFFER) { | |
1238 | printk(ACER_WARNING "Unknown response received %d\n", | |
1239 | obj->type); | |
1240 | kfree(obj); | |
1241 | return; | |
1242 | } | |
1243 | if (obj->buffer.length != 8) { | |
1244 | printk(ACER_WARNING "Unknown buffer length %d\n", | |
1245 | obj->buffer.length); | |
1246 | kfree(obj); | |
1247 | return; | |
1248 | } | |
1249 | ||
1250 | return_value = *((struct event_return_value *)obj->buffer.pointer); | |
1251 | kfree(obj); | |
1252 | ||
1253 | switch (return_value.function) { | |
1254 | case WMID_HOTKEY_EVENT: | |
1255 | if (!sparse_keymap_report_event(acer_wmi_input_dev, | |
1256 | return_value.key_num, 1, true)) | |
1257 | printk(ACER_WARNING "Unknown key number - 0x%x\n", | |
1258 | return_value.key_num); | |
1259 | break; | |
1260 | default: | |
1261 | printk(ACER_WARNING "Unknown function number - %d - %d\n", | |
1262 | return_value.function, return_value.key_num); | |
1263 | break; | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | static int __init acer_wmi_input_setup(void) | |
1268 | { | |
1269 | acpi_status status; | |
1270 | int err; | |
1271 | ||
1272 | acer_wmi_input_dev = input_allocate_device(); | |
1273 | if (!acer_wmi_input_dev) | |
1274 | return -ENOMEM; | |
1275 | ||
1276 | acer_wmi_input_dev->name = "Acer WMI hotkeys"; | |
1277 | acer_wmi_input_dev->phys = "wmi/input0"; | |
1278 | acer_wmi_input_dev->id.bustype = BUS_HOST; | |
1279 | ||
1280 | err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL); | |
1281 | if (err) | |
1282 | goto err_free_dev; | |
1283 | ||
1284 | status = wmi_install_notify_handler(ACERWMID_EVENT_GUID, | |
1285 | acer_wmi_notify, NULL); | |
1286 | if (ACPI_FAILURE(status)) { | |
1287 | err = -EIO; | |
1288 | goto err_free_keymap; | |
1289 | } | |
1290 | ||
1291 | err = input_register_device(acer_wmi_input_dev); | |
1292 | if (err) | |
1293 | goto err_uninstall_notifier; | |
1294 | ||
1295 | return 0; | |
1296 | ||
1297 | err_uninstall_notifier: | |
1298 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1299 | err_free_keymap: | |
1300 | sparse_keymap_free(acer_wmi_input_dev); | |
1301 | err_free_dev: | |
1302 | input_free_device(acer_wmi_input_dev); | |
1303 | return err; | |
1304 | } | |
1305 | ||
1306 | static void acer_wmi_input_destroy(void) | |
1307 | { | |
1308 | wmi_remove_notify_handler(ACERWMID_EVENT_GUID); | |
1309 | sparse_keymap_free(acer_wmi_input_dev); | |
1310 | input_unregister_device(acer_wmi_input_dev); | |
1311 | } | |
1312 | ||
81143522 CC |
1313 | /* |
1314 | * debugfs functions | |
1315 | */ | |
1316 | static u32 get_wmid_devices(void) | |
1317 | { | |
1318 | struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; | |
1319 | union acpi_object *obj; | |
1320 | acpi_status status; | |
66904863 | 1321 | u32 devices = 0; |
81143522 CC |
1322 | |
1323 | status = wmi_query_block(WMID_GUID2, 1, &out); | |
1324 | if (ACPI_FAILURE(status)) | |
1325 | return 0; | |
1326 | ||
1327 | obj = (union acpi_object *) out.pointer; | |
1328 | if (obj && obj->type == ACPI_TYPE_BUFFER && | |
1329 | obj->buffer.length == sizeof(u32)) { | |
66904863 | 1330 | devices = *((u32 *) obj->buffer.pointer); |
81143522 | 1331 | } |
66904863 AL |
1332 | |
1333 | kfree(out.pointer); | |
1334 | return devices; | |
81143522 CC |
1335 | } |
1336 | ||
745a5d21 CC |
1337 | /* |
1338 | * Platform device | |
1339 | */ | |
1340 | static int __devinit acer_platform_probe(struct platform_device *device) | |
1341 | { | |
1342 | int err; | |
1343 | ||
1344 | if (has_cap(ACER_CAP_MAILLED)) { | |
1345 | err = acer_led_init(&device->dev); | |
1346 | if (err) | |
1347 | goto error_mailled; | |
1348 | } | |
1349 | ||
1350 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1351 | err = acer_backlight_init(&device->dev); | |
1352 | if (err) | |
1353 | goto error_brightness; | |
1354 | } | |
1355 | ||
0606e1ab | 1356 | err = acer_rfkill_init(&device->dev); |
350e3290 AW |
1357 | if (err) |
1358 | goto error_rfkill; | |
0606e1ab CC |
1359 | |
1360 | return err; | |
745a5d21 | 1361 | |
350e3290 AW |
1362 | error_rfkill: |
1363 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1364 | acer_backlight_exit(); | |
745a5d21 | 1365 | error_brightness: |
350e3290 AW |
1366 | if (has_cap(ACER_CAP_MAILLED)) |
1367 | acer_led_exit(); | |
745a5d21 CC |
1368 | error_mailled: |
1369 | return err; | |
1370 | } | |
1371 | ||
1372 | static int acer_platform_remove(struct platform_device *device) | |
1373 | { | |
1374 | if (has_cap(ACER_CAP_MAILLED)) | |
1375 | acer_led_exit(); | |
1376 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1377 | acer_backlight_exit(); | |
0606e1ab CC |
1378 | |
1379 | acer_rfkill_exit(); | |
745a5d21 CC |
1380 | return 0; |
1381 | } | |
1382 | ||
1383 | static int acer_platform_suspend(struct platform_device *dev, | |
1384 | pm_message_t state) | |
1385 | { | |
1386 | u32 value; | |
1387 | struct acer_data *data = &interface->data; | |
1388 | ||
1389 | if (!data) | |
1390 | return -ENOMEM; | |
1391 | ||
745a5d21 CC |
1392 | if (has_cap(ACER_CAP_MAILLED)) { |
1393 | get_u32(&value, ACER_CAP_MAILLED); | |
1394 | data->mailled = value; | |
1395 | } | |
1396 | ||
1397 | if (has_cap(ACER_CAP_BRIGHTNESS)) { | |
1398 | get_u32(&value, ACER_CAP_BRIGHTNESS); | |
1399 | data->brightness = value; | |
1400 | } | |
1401 | ||
1402 | return 0; | |
1403 | } | |
1404 | ||
1405 | static int acer_platform_resume(struct platform_device *device) | |
1406 | { | |
1407 | struct acer_data *data = &interface->data; | |
1408 | ||
1409 | if (!data) | |
1410 | return -ENOMEM; | |
1411 | ||
745a5d21 CC |
1412 | if (has_cap(ACER_CAP_MAILLED)) |
1413 | set_u32(data->mailled, ACER_CAP_MAILLED); | |
1414 | ||
1415 | if (has_cap(ACER_CAP_BRIGHTNESS)) | |
1416 | set_u32(data->brightness, ACER_CAP_BRIGHTNESS); | |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | static struct platform_driver acer_platform_driver = { | |
1422 | .driver = { | |
1423 | .name = "acer-wmi", | |
1424 | .owner = THIS_MODULE, | |
1425 | }, | |
1426 | .probe = acer_platform_probe, | |
1427 | .remove = acer_platform_remove, | |
1428 | .suspend = acer_platform_suspend, | |
1429 | .resume = acer_platform_resume, | |
1430 | }; | |
1431 | ||
1432 | static struct platform_device *acer_platform_device; | |
1433 | ||
1434 | static int remove_sysfs(struct platform_device *device) | |
1435 | { | |
745a5d21 CC |
1436 | if (has_cap(ACER_CAP_THREEG)) |
1437 | device_remove_file(&device->dev, &dev_attr_threeg); | |
1438 | ||
1439 | device_remove_file(&device->dev, &dev_attr_interface); | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | static int create_sysfs(void) | |
1445 | { | |
1446 | int retval = -ENOMEM; | |
1447 | ||
745a5d21 CC |
1448 | if (has_cap(ACER_CAP_THREEG)) { |
1449 | retval = device_create_file(&acer_platform_device->dev, | |
1450 | &dev_attr_threeg); | |
1451 | if (retval) | |
1452 | goto error_sysfs; | |
1453 | } | |
1454 | ||
1455 | retval = device_create_file(&acer_platform_device->dev, | |
1456 | &dev_attr_interface); | |
1457 | if (retval) | |
1458 | goto error_sysfs; | |
1459 | ||
1460 | return 0; | |
1461 | ||
1462 | error_sysfs: | |
1463 | remove_sysfs(acer_platform_device); | |
1464 | return retval; | |
1465 | } | |
1466 | ||
81143522 CC |
1467 | static void remove_debugfs(void) |
1468 | { | |
1469 | debugfs_remove(interface->debug.devices); | |
1470 | debugfs_remove(interface->debug.root); | |
1471 | } | |
1472 | ||
1473 | static int create_debugfs(void) | |
1474 | { | |
1475 | interface->debug.root = debugfs_create_dir("acer-wmi", NULL); | |
1476 | if (!interface->debug.root) { | |
1477 | printk(ACER_ERR "Failed to create debugfs directory"); | |
1478 | return -ENOMEM; | |
1479 | } | |
1480 | ||
1481 | interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, | |
1482 | interface->debug.root, | |
1483 | &interface->debug.wmid_devices); | |
1484 | if (!interface->debug.devices) | |
1485 | goto error_debugfs; | |
1486 | ||
1487 | return 0; | |
1488 | ||
1489 | error_debugfs: | |
39dbbb45 | 1490 | remove_debugfs(); |
81143522 CC |
1491 | return -ENOMEM; |
1492 | } | |
1493 | ||
745a5d21 CC |
1494 | static int __init acer_wmi_init(void) |
1495 | { | |
1496 | int err; | |
1497 | ||
860f0c6b | 1498 | printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n"); |
745a5d21 | 1499 | |
a74dd5fd CC |
1500 | if (dmi_check_system(acer_blacklist)) { |
1501 | printk(ACER_INFO "Blacklisted hardware detected - " | |
1502 | "not loading\n"); | |
1503 | return -ENODEV; | |
1504 | } | |
1505 | ||
9991d9f2 CC |
1506 | find_quirks(); |
1507 | ||
745a5d21 CC |
1508 | /* |
1509 | * Detect which ACPI-WMI interface we're using. | |
1510 | */ | |
1511 | if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1512 | interface = &AMW0_V2_interface; | |
1513 | ||
1514 | if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) | |
1515 | interface = &wmid_interface; | |
1516 | ||
1517 | if (wmi_has_guid(WMID_GUID2) && interface) { | |
1518 | if (ACPI_FAILURE(WMID_set_capabilities())) { | |
8d039bc7 CC |
1519 | printk(ACER_ERR "Unable to detect available WMID " |
1520 | "devices\n"); | |
745a5d21 CC |
1521 | return -ENODEV; |
1522 | } | |
1523 | } else if (!wmi_has_guid(WMID_GUID2) && interface) { | |
8d039bc7 | 1524 | printk(ACER_ERR "No WMID device detection method found\n"); |
745a5d21 CC |
1525 | return -ENODEV; |
1526 | } | |
1527 | ||
1528 | if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { | |
1529 | interface = &AMW0_interface; | |
1530 | ||
1531 | if (ACPI_FAILURE(AMW0_set_capabilities())) { | |
8d039bc7 CC |
1532 | printk(ACER_ERR "Unable to detect available AMW0 " |
1533 | "devices\n"); | |
745a5d21 CC |
1534 | return -ENODEV; |
1535 | } | |
1536 | } | |
1537 | ||
9b963c40 CC |
1538 | if (wmi_has_guid(AMW0_GUID1)) |
1539 | AMW0_find_mailled(); | |
745a5d21 | 1540 | |
745a5d21 | 1541 | if (!interface) { |
af9902e1 | 1542 | printk(ACER_INFO "No or unsupported WMI interface, unable to " |
8d039bc7 | 1543 | "load\n"); |
745a5d21 CC |
1544 | return -ENODEV; |
1545 | } | |
1546 | ||
83097aca AV |
1547 | set_quirks(); |
1548 | ||
1ba869ec | 1549 | if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { |
febf2d95 TR |
1550 | interface->capability &= ~ACER_CAP_BRIGHTNESS; |
1551 | printk(ACER_INFO "Brightness must be controlled by " | |
1552 | "generic video driver\n"); | |
1553 | } | |
1554 | ||
3fdca87d LCY |
1555 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) { |
1556 | err = acer_wmi_input_setup(); | |
1557 | if (err) | |
1558 | return err; | |
1559 | } | |
1560 | ||
1c79632b AL |
1561 | err = platform_driver_register(&acer_platform_driver); |
1562 | if (err) { | |
745a5d21 CC |
1563 | printk(ACER_ERR "Unable to register platform driver.\n"); |
1564 | goto error_platform_register; | |
1565 | } | |
1c79632b | 1566 | |
745a5d21 | 1567 | acer_platform_device = platform_device_alloc("acer-wmi", -1); |
1c79632b AL |
1568 | if (!acer_platform_device) { |
1569 | err = -ENOMEM; | |
1570 | goto error_device_alloc; | |
1571 | } | |
1572 | ||
1573 | err = platform_device_add(acer_platform_device); | |
1574 | if (err) | |
1575 | goto error_device_add; | |
745a5d21 CC |
1576 | |
1577 | err = create_sysfs(); | |
1578 | if (err) | |
1c79632b | 1579 | goto error_create_sys; |
745a5d21 | 1580 | |
81143522 CC |
1581 | if (wmi_has_guid(WMID_GUID2)) { |
1582 | interface->debug.wmid_devices = get_wmid_devices(); | |
1583 | err = create_debugfs(); | |
1584 | if (err) | |
1c79632b | 1585 | goto error_create_debugfs; |
81143522 CC |
1586 | } |
1587 | ||
745a5d21 CC |
1588 | /* Override any initial settings with values from the commandline */ |
1589 | acer_commandline_init(); | |
1590 | ||
1591 | return 0; | |
1592 | ||
1c79632b AL |
1593 | error_create_debugfs: |
1594 | remove_sysfs(acer_platform_device); | |
1595 | error_create_sys: | |
1596 | platform_device_del(acer_platform_device); | |
1597 | error_device_add: | |
1598 | platform_device_put(acer_platform_device); | |
1599 | error_device_alloc: | |
1600 | platform_driver_unregister(&acer_platform_driver); | |
745a5d21 | 1601 | error_platform_register: |
3fdca87d LCY |
1602 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1603 | acer_wmi_input_destroy(); | |
1604 | ||
1c79632b | 1605 | return err; |
745a5d21 CC |
1606 | } |
1607 | ||
1608 | static void __exit acer_wmi_exit(void) | |
1609 | { | |
3fdca87d LCY |
1610 | if (wmi_has_guid(ACERWMID_EVENT_GUID)) |
1611 | acer_wmi_input_destroy(); | |
1612 | ||
745a5d21 | 1613 | remove_sysfs(acer_platform_device); |
39dbbb45 | 1614 | remove_debugfs(); |
97ba0af0 | 1615 | platform_device_unregister(acer_platform_device); |
745a5d21 CC |
1616 | platform_driver_unregister(&acer_platform_driver); |
1617 | ||
1618 | printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n"); | |
1619 | return; | |
1620 | } | |
1621 | ||
1622 | module_init(acer_wmi_init); | |
1623 | module_exit(acer_wmi_exit); |